Modular Charging and System Wall-Mounted Charging Device and Modular Power Devices

ABSTRACT

The present invention relates a modular charging system including a wall mounted outlet preserving charger and charging additional accessories, such as battery blocks, wireless device chargers, supporting chargers for wearable devices such as watches, and car chargers, each for use independently or in combination with electronic devices. The present invention typically includes a wall charger with one or more electrical outlets on the front face so that the use of the wall outlet is not lost. The wall charger of the present invention is suitable for use in any major country and may be adapted to the outlet configuration and voltage of those countries.

CLAIM OF PRIORITY

This Utility application claims the benefit of US Provisional PatentApplication U.S. 62/457,510 entitled “Modular Charging and SystemWall-Mounted Charging Device and Modular Outlet Extender” alldisclosures and embodiments are included herein by reference.

TECHNICAL FIELD AND INDUSTRIAL Applicability of the Invention

The present invention relates a modular charging system including a wallmounted outlet preserving charger and charging additional accessories,such as battery blocks, wireless device chargers, supporting chargersfor wearable devices such as watches, and car chargers, each for useindependently or in combination with electronic devices. The presentinvention typically includes a wall charger with one or more electricaloutlets on the front face so that the use of the wall outlet is notlost. The wall charger of the present invention is suitable for use inany major country and may be adapted to the outlet configuration andvoltage of those countries.

Background of the Invention

Large numbers of charging devices electronic devices are known in theart. Often, the transformer base unit is hard wired to the cable and issuitable only for use with a single type of electronic device. Anotherconfiguration is that the base unit includes a standardized bus port,such as a Universal Serial Bus Port (USB) or other manufacturer specificport. With the proliferation of mobile phones, e-readers, tablets,notepad computers and other portable electronic devices the storage andsorting of charges has grown to be burdensome. Sorting base units andcables for any number of electronic devices consumes time, storagespace, and space on a wall outlet or on a power strip.

SUMMARY OF THE INVENTION

The present invention provides a novel wall-mounted charging device andmodular outlet extender that may be inserted into a standard wall outletwithout additional wires and provides a platform for charging anelectrical device without intruding into the user's environment. Thewall-mounted charging device and modular outlet extender provides ahousing, at least one electrical outlet, at least one set of electricalconnection prongs, and an auxiliary charging port formed on the topwall. The top wall supports an electrical device while it is connectedto the auxiliary port for charging. The wall-mounted charging device andmodular outlet extender may also include a removable charging tipextending from the auxiliary port, and a second auxiliary port formed inthe bottom wall of housing. The device may also include a plurality ofauxiliary ports formed in the bottom wall of housing, one or moreauxiliary ports formed in the sidewalls of housing. The device willgenerally also include a power supply unit providing low voltage powerto the auxiliary ports so that low voltage power is provided to theelectrical device for charging. The device may include other features inthe housing such as: a ground fault interrupter, a surge protector amechanical power interruption switch, a WiFi extender, a thunderboltconnection, a USB connector, a Micro USB connector, an HDMI connector,an Ethernet connector, or any other industry standard connectors, or mayinclude a remote-control unit or an audio connector. Also included aremodular charging devices such as battery blocks, wireless devicechargers, supporting chargers for wearable devices such as watches, andcar chargers. Each component may be used to charge an electronic deviceeither alone or in conjunction with another component.

BRIEF DESCRIPTION OF THE DRAWING

A more complete appreciation of the invention and the many embodimentsthereof will be readily obtained as the same becomes better understoodby reference to the following detailed description when considered inconnection with the accompanying drawings, wherein:

FIG. 1A is a front plan view of a wall-mounted charging device andmodular outlet extender of the present invention suitable for use inNorth America;

FIG. 1B is a rear plan view of a wall-mounted charging device andmodular outlet extender of the present invention suitable for use inNorth America;

FIG. 1C is a side plan view of a wall-mounted charging device andmodular outlet extender of the present invention suitable for use inNorth America;

FIG. 1D is a lower plan view of a wall-mounted charging device andmodular outlet extender of the present invention suitable for use inNorth America;

FIG. 1E is a front schematic view of a wall-mounted charging device andmodular outlet extender showing the internal electronics of the presentinvention suitable for use in North America;

FIG. 1F is a perspective view of a wireless charger for use with thewall mounted charging device and modular outlet extender of the presentinvention suitable for use in the United Kingdom;

FIG. 1G is a perspective view of a wireless charger for use with thewall mounted charging device and modular outlet extender of the presentinvention suitable for use in the France;

FIG. 1H is a perspective view of a wireless charger for use with thewall mounted charging device and modular outlet extender of the presentinvention suitable for use in substantial parts of the EU;

FIG. 2A is a perspective view of a wireless charger for use with thecharging system of the present invention;

FIG. 2B is a schematic view of a wireless charger for use with thecharging system of the present invention showing the internalelectronics;

FIG. 2C is a rear plan view of a wireless charger for use with thecharging system of the present invention;

FIG. 2D is a lower plan view of a wireless charger for use with thecharging system of the present invention;

FIG. 2E is a front plan view, partially schematic of a wireless chargerin use with the wall mounted charging device;

FIG. 2F is a front plan view, of a wireless charger in use with abattery block charging device;

FIG. 2G is a side plan view, of a wireless charger in a self-supportinguse with a battery block charging device;

FIG. 2H is a rear perspective view of a wireless charger with a rearsupport deployed and a charge cable attached to the wireless charger;

FIG. 3A is a lower perspective view of an accessory battery packsuitable for use with the modular charging system of the presentinvention;

FIG. 3B is a front schematic view of an accessory battery pack showingthe internal electronics suitable for use with the modular chargingsystem of the present invention;

FIG. 3C is a bottom plan view of an accessory battery pack suitable foruse with the modular charging system of the present invention;

FIG. 3D is a bottom plan view of an accessory battery pack suitable foruse with the modular charging system of the present invention;

FIG. 3E is a lower perspective view of an accessory battery packsuitable for use with modular charging system of the present invention,showing a variety of connectors available within the accessory batterypack;

FIG. 3F is an upper perspective view of a connection cable suitable foruse with the accessories of the present invention.

FIG. 4A is a perspective view of an accessory car charger with suitablefor use with the modular charging system of the present invention;

FIG. 4B is a side schematic view of an accessory car charger withsuitable for use with the modular charging system of the presentinvention;

FIG. 4C is a bottom plan view of an accessory car charger with suitablefor use with the modular charging system of the present invention;

FIG. 4D is a top plan view of an accessory car charger with suitable foruse with the modular charging system of the present invention;

FIG. 4E is a side plan view of an accessory car charger with suitablefor use with the modular charging system of the present invention;

FIG. 4F is a front plan view of an accessory car charger mounted to theunderside of an outlet wall-mounted charging device, with a wirelesscharge unit mounted to the top side;

FIG. 4G is a front plan view of an accessory car charger mounted to anaccessory battery unit;

FIG. 5A is an upper perspective view of a portable charger unit for awearable device in accordance with the present invention;

FIG. 5B is a schematic view of a portable charger for a wearable deviceunit in accordance with the present invention;

FIG. 5C is a lower plan view of a portable charger unit for a wearabledevice in accordance with the present invention;

FIG. 5D is a side plan view of a portable charger unit for a wearabledevice in accordance with the present invention;

FIG. 5E is a front plan view of a portable charger unit for a wearabledevice mounted to the underside of an outlet wall-mounted chargingdevice, with a wireless charge unit mounted to the top side;

FIG. 5F is a front plan view of a portable charger unit for a wearabledevice mounted to a battery block;

FIG. 6A is a lower perspective view of an Apple® Lightening style chargetip for use with the wall charger of the modular charging the presentinvention;

FIG. 6B is a plan view of an Apple® Lightening style charge tip for usewith the wall charger of the modular charging the present invention;

FIG. 6C is a plan view of an USB-C style charge tip for use with thewall charger of the modular charging the present invention;

FIG. 6D is a lower plan view of a charge tip showing a USB-C connectorfor use with the wall charger of the modular charging the presentinvention;

FIG. 7A shows a schematic view of one layout for magnetic attractionbetween adjacent devices;

FIG. 7B shows another schematic view of one layout for magneticattraction between adjacent devices.

FIG. 7C shows yet another schematic view of one layout for magneticattraction between adjacent devices.

DETAILED DESCRIPTION AND PREFERRED Embodiments of the Invention

The wall mounted charging device of the present invention enables acharging station to be provided on a wall outlet without obstructing thereceptacle of the outlet. The charging device of the present inventionprovides a utilitarian and aesthetically pleasing solution to the issueof blocked receptacles, wire tangles and unsightly wall mountedchargers. The charging device of the present invention may be doubled upto provide two or more charging stations. The device also is availablewith multiple charging tips to provide flexibility in charging devicesof different generations and different manufacturers, essentially anyrechargeable device may be installed on the wall charger with a suitablecharging tip installed.

FIG. 1A shows a wall-mounted charging device and modular outlet extenderof the present invention in which the charging device 10 includes afront face 12, a top wall 14, a right-side wall 16, a bottom wall 18,and a left side wall 20. Front face includes an outlet plate thatincludes two outlets 22, each with a 120V AC “hot” receptacle 24, aneutral receptacle 26 and ground receptacle 28. In top wall, areceptacle (not shown) is formed for receiving any of a number ofcharging tips suitable for use with various electronic components. The120V AC and receptacle configuration shown is typically suitable for usein North America, it is within the scope of this invention toaccommodate voltages and receptacle configurations for world-wide usage.Charging device 10 is mounted to a wall outlet and protrudes from thewall by a minimal distance. The receptacle, with a charging tipinstalled forms a charging dock that allows an electronic device to beplaced atop charging device so that the device is charged in aconvenient location without obstructing the outlets on outlet plate.

The top surface receptacle is formed for receiving a number of chargingtips suitable for use with various electronic components. A charging tipinstalled forms a charging dock that allows an electronic device to beplaced atop charging device so that the device is charged in aconvenient location without obstructing the outlets on outlet plate.Also, on the top and/or bottom surface are electronic connections 30 tobe matched to connections on modular components as set forthhereinbelow. The electronic connections may be magnetized for a positiveconnection between the base and the modular components. Positive andnegative connections may be formed in either or both of the top surface14 and bottom surface 18. Modular components may be connected to the topsurface 14 and/Or bottom surface 18 for charging power storage in thosemodular components or allowing the attached modular components to powerconnected devices.

FIG. 1B shows the rear face 33 of the wall-mounted charging device andmodular outlet extender of the present invention in which the chargingdevice 10 includes, a top wall 14, a right-side wall 16, a bottom wall18, and a left side wall 20. The rear face includes an outlet plate thatincludes two sets of connections, each with a 120V AC “hot” blade 34, aneutral blade 36 and ground blade 38. The 120V AC configuration shown istypically suitable for use in North America, it is within the scope ofthis invention to accommodate voltages and receptacle configurations forworldwide usage. Rear face 33 may include retaining sections 40 forcharge tips and a tip release button 42. Bottom wall 18 includeselectronic connections 30 to be matched to connections on modularcomponents as set forth hereinbelow.

FIG. 1C shows the right face 16 of the wall-mounted charging device andmodular outlet extender 10 of the present invention in which thecharging device 10 includes, a top wall 14, a right-side wall 16, abottom wall 18, and a left side wall 20 (not shown). The rear faceincludes an two sets of connections, each with a 120V AC “hot” blade 34,a neutral blade 36 and ground blade 38. Bottom wall 18 includeselectronic connections 30 to be matched to connections on modularcomponents as set forth hereinbelow.

FIG. 1D shows the bottom face 18 of the wall-mounted charging device andmodular outlet extender 10 of the present invention in which thecharging device 10 includes, a top wall 14 (not shown), a right-sidewall 16, a bottom wall 18, and a left side wall 20. The rear faceincludes an two sets of connections, each with a 120V AC “hot” blade 34,a neutral blade 36 and ground blade 38. Bottom wall 18 includeselectronic connections 30 to be matched to connections on modularcomponents as set forth hereinbelow. Also included in bottom face 18 areconnection ports 31, such as USB ports of any type. USB-A or USB-C aretypically preferred; however, any desired port mat be used.

FIG. 1E shows a schematic view of a wall-mounted charging device andmodular outlet extender of the present invention in which the chargingdevice 10 includes a front face 12, a top wall 14, a right-side wall 16,a bottom wall 18, and a left side wall 20. Front face includes an outletplate that includes two outlets 22, each with a 120V AC “hot” receptacle24, a neutral receptacle 26 and ground receptacle 28. In top wall, areceptacle (not shown) is formed for receiving any of a number ofcharging tips suitable for use with various electronic components. The120V AC and receptacle configuration shown is typically suitable for usein North America, it is within the scope of this invention toaccommodate voltages and receptacle configurations for worldwide usage.Charging device 10 is mounted to a wall outlet and protrudes from thewall by a minimal distance. The receptacle, with a charging tipinstalled forms a charging dock that allows an electronic device to beplaced atop charging device so that the device is charged in aconvenient location without obstructing the outlets on outlet plate. Thetop surface receptacle 72 is formed for receiving a number of chargingtips 70 suitable for use with various electronic components. A chargingtip 70 installed forms a charging dock that allows an electronic deviceto be placed atop charging device so that the device is charged in aconvenient location without obstructing the outlets on outlet plate. Asdiscussed below, the side sections of tip 70 may include serratedsections which a congruent toothed section within receptacle 72 suchthat release button 42 disengages the serrated section from the toothedsection in receptacle 72 to allow the tip to be replaced. Also, on thetop and/or bottom surface are electronic connections 30 to be matched toconnections on modular components as set forth hereinbelow. Theelectronic connections may be magnetized for a positive connectionbetween the base and the modular components. Positive and negativeconnections may be formed in either or both of the top surface 14 andbottom surface 18. Modular components may be connected to the topsurface 14 and/Or bottom surface 18 for charging power storage in thosemodular components or allowing the attached modular components to powerconnected devices. Power bank is a device that stores power in a Li-Ionbattery. It is being increasingly used as reserve charger for handheld/portable devices like mobile phones, tablets etc. A typical powerbank includes a charging circuit to implement the charging logic for aLithium Ion battery. A battery protection circuit to inhibit over chargeand implement over temperature protections during charging and inhibitover discharge. A Boost Converter that steps up the incoming 3V-4.2Vbattery voltage to 5V. Also included are controller functions to monitorand control output voltage, measures battery voltage and monitors loadcurrent. and illuminates status LEDs to display battery level of otherstatuses.

A power adapter 50 such as an iWatt iW1691-03 Adapter having an AC inputof 90-264 VAC and an output of 5V at 2.1 AMPs may be used. Any othersuitable power adapter may be used. Leads 52, 54 connect power adaptor50 to receptacle 24, 26 and blades 34, 36. Power adapter 50 is alsoconnected to leads 54, 56, 58, 60 and 62 to power the connections, 30,31 on the bottom wall 18. Leads 64, 66 power connections 30 on the topwall 14 and lead 68 powers connection port 72, into which tip 70 may beinserted. Any other low voltage connections formed in the front face,top wall, sidewalls or bottom wall may be connected to power adapter 50.

The specifications for the iW1691-03 adapter are shown in Table 1 below:

TABLE 1 Description Symbol Min Typ Max Units Input Voltage V_(IN) 90 264V_(AC) Frequency f_(LINE) 47 50/60 63 Hz No-load input power 150 mW(230V_(AC)) Output Output voltage V_(OUT) 4.85 5.25 V Output currentI_(OUT) 0 2.1 A Output ripple voltage V_(RIPPLE) 100 mV_(P) _(—) _(P)Total Output Power Continuous output power P_(OUT) 10.5 W Over-currentprotection I_(OUT MAX) 2.5 A Active mode protection η 80 %

While the power adapter chip 50 is preferably an adapter, any of aground fault interrupter, a surge protector, a mechanical powerinterruption switch, or a WiFi extender may be included. The powersupply may also be connected to a remote-control unit, thunderbolt, USB,Micro USB, HDMI, Ethernet connector formed in one of the walls.Generally power controllers include sensor ICs, cell controller ICs, andcharger ICs that provide configuration flexibility withfactory-programmable parameters such as output voltage and inputover-voltage protection; Constant current (CC) and constant voltage (CV)charge modes; Trickle charge current and trickle charge voltagethresholds; EOC current and timeout; verification filter timing; andRecharge and thermal foldback thresholds. Other suitable controllersinclude the MC34671 and MC34674 single cell battery travel chargeravailable from NXP Semiconductors. AC-DC Controllers which includeSwitched Mode Power Supply (SMPS) controllers, automatic discharge forlow-power X capacitors, and Synchronous Rectifier (SR) controllers forswitched mode power supplies with adaptive gate drive may also bepreferred.

FIG. 1F shows a UK style wall-mounted charging device and modular outletextender of the present invention in which the charging device 10UKincludes a front face 12, a top wall 14, a right-side wall 16, a bottomwall 18, and a left side wall 20. Front face includes an outlet plate 22that includes two outlets, each with a 240V AC “hot” receptacle 24, aneutral receptacle 26 and ground receptacle 28. In top wall, areceptacle 72 is formed for receiving any of a number of charging tipssuitable for use with various electronic components. The 240V AC andreceptacle configuration shown is typically suitable for use in theUnited Kingdom, it is within the scope of this invention to accommodatevoltages and receptacle configurations for world-wide usage.

FIG. 1G shows a French/Belgium style wall-mounted charging device andmodular outlet extender of the present invention in which the chargingdevice 10FR includes a front face 12, a top wall 14, a right-side wall16, a bottom wall 18, and a left side wall 20. Front face includes anoutlet plate 22 that includes an outlet, each with a 230V AC “hot”receptacle 24, a neutral receptacle 26 and ground receptacle 28. In topwall, a receptacle (not shown) is formed for receiving any of a numberof charging tips suitable for use with various electronic components.The bottom face 18 includes electrical connectors 30 and optionallyuniversal type connectors (not shown). The 230V AC and receptacleconfiguration shown is typically suitable for use in France, it iswithin the scope of this invention to accommodate voltages andreceptacle configurations for world-wide usage.

FIG. 1H shows a European Union style wall-mounted charging device andmodular outlet extender of the present invention in which the chargingdevice 10EU includes a front face 12, a top wall 14, a right-side wall16, a bottom wall 18, and a left side wall 20. Front face includes anoutlet plate 22 that includes an outlet, each with a 230V AC “hot”receptacle 24, a neutral receptacle 26 and ground receptacle 28. In topwall, a receptacle (not shown) is formed for receiving any of a numberof charging tips suitable for use with various electronic components.The bottom face 18 includes electrical connectors 30 and optionallyuniversal type connectors (not shown). The 230V AC and receptacleconfiguration shown is typically suitable for use in many parts of theEU, it is within the scope of this invention to accommodate voltages andreceptacle configurations for world-wide usage.

FIG. 2A shows a wireless electronic device charger 100, having a frontface 110, right wall 114, left wall 116, shelf 112 on cradle 118, and alow surface 120 including power inputs 130 (not shown). Wireless charger100 includes a radio frequency output for charging an electrical devicemounted on cradle 118 wirelessly. Wireless charger 100 rests on the topsurface 14 of the charge base 10 and provides a shelf 112 for receivingan electronic device such that a wireless RF connection is made in orderto charge the electronic device.

FIG. 2B shows the circuitry within the wireless charger that convertsthe low voltage input from the base unit to an RF signal. The wirelesselectronic device charger 100, having a front face 110, right wall 114,left wall 116, shelf 112 on cradle 118, and a low surface 120 includingpower inputs 130. Wireless charger 100 includes a radio frequency output138 for charging an electrical device mounted on cradle 118 wirelessly.The wireless charger may be connected to another component of the systemof the present invention such to a battery block charging device 200,the wall charger 10, the car charger 300 or the wearable charger 400 byelectrical connections 130 formed in the base wall 120. Leads 132 linkelectrical connections 130 to power adapter 134 to power the wirelesscoils. One suitable wireless system is known as the Qi standard for lowpower inductive transfers to deliver power below 5 W using inductivecoupling between two planar coils. Leads connect power adaptor toelectrodes on a surface of the battery. The wireless chargingtransmitter is typically powered by an input DC rail of 5 V to 19 V,from a USB port or an AC/DC power adapter. The transmitter has a coil totransfer power by electromagnetic induction. Some transmitters supportmulti-coil arrays, driven by separate bridges which are automaticallyselected to deliver the highest coupled power into the wireless powerreceiver. The induced power is coupled to the wireless power receiver,which has a similar coil to collect the incoming power. The receiverrectifies the power by means of diode rectifiers, usually made of FETsfor improving the efficiency. It also filters the power using ceramicoutput capacitors, and then applies it to the battery that needs to becharged, either through a linear stage or a switching regulator. Thebattery inside the portable device receives the power and charges up.The receiver can command the transmitter to adjust the charging currentor voltage, and to stop transmitting power completely when end of chargeis indicated. The electrodes are linked to a circuit board that convertsthe low voltage current input to an RF output. The RF signal charges theelectronic device. The power controller 134 may also include powermanagement features to monitor the battery during the charging processto cut off the RF signal when the battery is at full charge.

FIG. 2C shows the rear face 122 of wireless charger 100. The wirelesselectronic device charger 100, having a front face 110 (not shown),right wall 114, left wall 116, shelf 112 (not shown) on cradle 118 (notshown), and a low surface 120 including power inputs 130. Hinged support124 may be included to allow charger 100 to stand independently. Thewireless charger 100 may be connected to another component of the systemof the present invention such as a battery block charging device 200.

FIG. 2D shows the bottom wall 122 of wireless charger 100. The wirelesselectronic device charger 100, having a front face 110 (not shown),right wall 114, left wall 116, shelf 112 on cradle 118 (not shown), anda low surface 120 including power inputs 130. Hinged support 124 may beincluded to allow charger 100 to stand independently. The wirelesscharger 100 may be connected to another component of the system of thepresent invention such as a battery block charging device 200

FIG. 2E shows a wireless electronic device charger 100 mounted on a wallcharger 10 in accordance with the present invention. The wirelesscharger 100 includes front face 110, right wall 114, left wall 116,shelf 112 on cradle 118, and a low surface 120 including power inputs130. Wireless charger 100 is shown on top surface 14 of the charge base10 and provides a shelf 112 for receiving an electronic device such thata wireless RF connection is made in order to charge the electronicdevice. The charging device 10 includes a front face 12, a top wall 14,a right-side wall 16, a bottom wall 18, and a left side wall 20. Frontface 12 includes an outlet plate that includes two outlets 22, each witha 120V AC “hot” receptacle 24, a neutral receptacle 26 and groundreceptacle 28. In top wall, a receptacle (not shown) is formed forreceiving any of a number of charging tips suitable for use with variouselectronic components. It is also possible to omit the power manager 134in wireless charger 100 by selection of a power adapter 50 in wallcharger 10 that is suitable for use with the wireless antenna under theQi standard or any other wireless system.

FIG. 2F shows a wireless electronic device charger 100 mounted on abattery block 200 in accordance with the present invention. The wirelesscharger 100 includes front face 110, right wall 114, left wall 116,shelf 112 on cradle 118, and a lower surface 120 (not shown) includingpower inputs 130. Wireless charger 100 is shown linked to the topsurface battery block 200 as disclosed hereinbelow. Wireless charger 100provides a shelf 112 for receiving an electronic device such that awireless RF connection is made in order to charge the electronic device.

FIG. 2G shows a wireless electronic device charger 100 mounted on abattery block 200 in accordance with the present invention. The wirelesscharger 100 includes front face 110, right wall 114, left wall 116 (notshown), shelf 112 on cradle 118, lower surface 120 and rear wall 122including power inputs 130 (as shown in FIG. 2C). Wireless charger 100is shown linked to the top surface battery block 200 as disclosedhereinbelow. Linking the rear face 122 of wireless charger 100 tobattery block 200 provides a free-standing charger 100.

FIG. 2H shows a wireless electronic device charger 100 connected to apower supply 162 such as USB cable. The wireless charger 100 includesfront face 110, right wall 114, left wall 116 (not shown), shelf 112 oncradle 118, lower surface 120 and rear wall 122 including power inputs130. Lowering support 124 from rear face 122 of wireless charger 100exposes a connection, such as a USB port, and provides a free standingwireless charger 100 having a constant power source via cable 162.

FIG. 3A shows a stackable battery block, power component 200 that may beattached to a wall mounted charger and other associated components. Thebattery block 200 is suitable for charging electronic components such asphones, tablets, readers and other low voltage devices via flexiblecable 220. Battery block 200 includes a housing having front wall 210,top wall 212, left wall 214, right wall 215, rear wall 218 and bottomwall 216. At least one connector cable 220 may be included withinbattery block 200. Cable 220 may either be permanently connected to thebattery block 200 or connected via a serial port (not shown). Cable 220is preferable installed in a recess 220 formed in the battery block 200.

FIG. 3B shows a schematic of a battery block, power component 200 usefulwith the associated components of the present invention. Battery block200 includes front wall 210, top wall 212, left wall 214, right wall215, rear wall 218 and bottom wall 216. At least one connector cable 220may be included within battery block 200. A number of linked batterycells 260 are included within battery block 200. Cells 260 may be linkedin series or parallel, or in a combination of serial and parallel toprovide the desired output. Integrated circuit power managers 250 aredesigned for various cell combinations and may monitor each cellindividually and the output of the linked cells. The US Federal AviationAdministration limits carryon battery power blocks 200 to a capacity of27,000 mAh, which is generally considered an upper limit for broadacceptance, however larger battery blocks 200 may be made and sold foruse not limited by the FAA regulations. Battery leads 246 link thepositive and negative terminals of the power pack and provide powerinput to controller 250 and information to monitor the power output andremaining charge in cells 260. Leads 242 provide power to electricalconnectors 230. Another set of leads 240 provide power to cable 220 viaserial port 238. As shown, cable 220 may include a central shaft 226having a distal end 224 having a serial connection 224 such as a USB-Cconnector on the proximal end. Distal end 224 is placed in powercomponent 200 such that serial connection 237 is mated to a bus 238. Aseparate connector 222 at the distal end 232, such as a USB or Apple®Lightening connector. Cable 200 may also include a permanent magnet 234which is attracted to permanent magnet 236 mounded within battery block200 to releasably retain distal end 232 within recess 220. Battery block200 is suitable for charging electronic components such as phones,tablets, readers and other low voltage devices via flexible cable 220.Separate cables may be used so that block 200 may charge devices havingdifferent power inputs.

FIG. 3C shows a schematic of a battery block, power component 200 usefulwith the associated components of the present invention. Battery block200 includes front wall 210, top wall 212, left wall 214, right wall215, rear wall 218 and bottom wall 216. At least one connector cable 220may be included within battery block 200. Electrical connectors 230 maybe used to link block 200 to other components in the modular chargingsystem of the present invention. As shown, cable 220 may include acentral shaft 226 having a serial connection 238, such as a USB-Cconnector on the proximal end and a separate connector 222 at the distalend 232, such as a USB or Apple® Lightening connector. Cable 200 mayalso include a permanent magnet 234 which is attracted to permanentmagnet 236 mounded within battery block 200 to releasably retain distalend 232 within recess 220. Battery block 200 is suitable for chargingelectronic components such as phones, tablets, readers and other lowvoltage devices via flexible cable 220. Separate cables may be used sothat block 200 may charge devices having different power inputs.

FIG. 3D shows a battery block 200 mounted on a wall charger 10 inaccordance with the present invention. The battery block 200 includesfront face 210, right wall 216, left wall 214, top wall 212, and abottom surface 216 including power inputs 230. Battery block 200 isshown on bottom wall 18 of the charge base 10 The charging device 10includes a front face 12, a top wall 14, a right-side wall 16, a bottomwall 18, and a left side wall 20. Front face 12 includes an outlet platethat includes two outlets 22, each with a 120V AC “hot” receptacle 24, aneutral receptacle 26 and ground receptacle 28. The connections may bemagnetized for secure connection to a charging base or the housing mayinclude magnets for providing the connection. In the event that theconnector pins are magnetic it may be useful to have an electronicallyconducting coating on the pins rather than relying on the magneticmaterial as the conductor. A charge indicator, such as: LEDs or LCDs maybe included in the housing to indicate that a connection is made with acharging base or the status of the charge in the stackable power device.The housing of the battery block 200 includes corresponding magnets sothat the power device may be removably but securely connected to thecharging device. Leads 52, 54 connect power adaptor 50 to receptacle 24,26 and blades 34, 36. Power adapter 50 is also connected to leads 54,56, 58, 60 and 62 to power the connections, 30, 31 on the bottom wall18. Leads 64, 66 power connections 30 on the top wall 14 and lead 68powers connection port 72, into which tip 70 may be inserted. Any otherlow voltage connections formed in the front face, top wall, sidewalls orbottom wall may be connected to power adapter 50. Power connections 230in battery block 200 connect to power connections 30 in the wall charger10 to charge the cells within the battery block 200. Battery block 200may include a permanent magnet in the housing 200 or each connection 230may be magnetized to provide a sturdy, but easily removable connection.

FIG. 3E shows a stackable battery block, power component 200 that may beattached to a wall mounted charger and other associated components. Thebattery block 200 is suitable for charging electronic components such asphones, tablets, readers and other low voltage devices. Battery block200 includes a housing having front wall 210, top wall 212, left wall214, right wall 215, rear wall 218 and bottom wall 216. Any number ofoutputs may be included in top wall 212, a 12V output 280, suitable forconnection to jumper cables to start a motor vehicle, a USB-A 282, andUSB-C 284 connections are also shown. LED or LCD power monitor lights286.

FIG. 3F shows one form of cable 220 that may include a central shaft 226having a distal end 224 having a serial connection 224 such as a USB-Cconnector on the proximal end. Distal end 224 is placed in a powercomponent 200 such that serial connection 237 is mated to a bus 238. Aconnector 222 such as a USB or Apple® Lightening connector is positionedat the distal end 232 of cable 200. Cable 200 may also include apermanent magnet 234 which is attracted to permanent magnet 236 moundedwithin battery block 200 to releasably retain distal end 232 withinrecess 220 of any of devices shown.

FIG. 4A shows a portable car charger, power component 300 for use in avehicle 12V charger. Car charger 300 is suitable for charging electroniccomponents such as phones, tablets, readers and other low voltagedevices. Car charger, power component 300 includes a battery storage soa device such as a cell phone may be charged when the vehicle isimmobile on the side of the road with a failed electrical system. Carcharger 300 includes a housing having front wall 310, top wall 312, leftwall 314, right wall 315, rear wall 318 and bottom wall 316. A barrel380 extends from left wall 314 for insertion into a vehicle 12V chargeport. Contacts 382, 384 extend from barrel 380 to make an electricalconnection with the vehicle 12V port. Charge monitor indicators 386 suchas LED or LCDs. Power outputs 388, such as USB-A or USB-C and a LEDflashlight may be included on the left wall 315.

FIG. 4B shows a schematic of a car charger, power component 300 usefulwith the associated components of the present invention. Car charger,power component 300 includes top wall 312, left wall 314, right wall315, rear wall 318 (not shown) and bottom wall 316. A number of linkedbattery cells 360 are included within car charger, power component 300.Cells 360 may be linked in series or parallel, or in a combination ofserial and parallel to provide the desired output. Integrated circuitpower managers 350 are designed for various cell combinations and maymonitor each cell individually and the output of the linked cells.Battery leads 346 link the positive and negative terminals of the powerpack and provide power input to controller 350 and information tomonitor the power output and remaining charge in cells 360. Leads 342provide power to electrical connectors 330. Leads 392 provide power tobus connections 392 and lead 394 connects power manager 350 to LEDflashlight 390. Barrel contacts 382, 384 are linked to power controller350 via leads 396, 398 to make the electrical connection with thevehicle 12V port.

FIG. 4C shows a schematic of a car charger, power component 300 usefulwith the associated components of the present invention. Car charger,power component 300 includes front wall 310, top wall 312 (not shown),left wall 314, right wall 315, rear wall 318 and bottom wall 316. Atleast one connector cable 320 may be included within car charger, powercomponent 300. Electrical connectors 330 may be used to link carcharger, power component 300 to other components in the modular chargingsystem of the present invention. As shown, cable 320 may include acentral shaft 326 having a serial connection 338, such as a USB-Cconnector on the proximal end and a separate connector 322 at the distalend 332, such as a USB or Apple® Lightening connector. Cable 320 mayalso include a permanent magnet 234 which is attracted to permanentmagnet 236 (as shown in FIG. 3B) mounded within car charger, powercomponent 300 to releasably retain distal end 332 within recess 320. Carcharger, power component 300 is suitable for charging electroniccomponents such as phones, tablets, readers and other low voltagedevices via flexible cable 320. Separate cables may be used so that carcharger, power component 300 may charge devices having different powerinputs.

FIG. 4D shows a schematic of a car charger, power component 300 usefulwith the associated components of the present invention. Car charger,power component 300 includes front wall 310, top wall 312, left wall314, right wall 315, rear wall 318 and bottom wall 316. Electricalconnectors 330 may be used to link car charger, power component 300 toother components in the modular charging system of the presentinvention. LED flashlight 390 may be included on right wall 315 foremergency light. Barrel 380 extends from left wall 314 for insertioninto a vehicle 12V charge port. Contacts 382, 384 extend from barrel 380to make an electrical connection with the vehicle 12V port.

FIG. 4E shows a schematic of a car charger, power component 300 usefulwith the associated components of the present invention. Car charger,power component 300 includes front wall 310, top wall 312, left wall 314(not shown), right wall 315, rear wall 318 and bottom wall 316.Electrical connectors 330 may be used to link car charger, powercomponent 300 to other components in the modular charging system of thepresent invention. Bus connections 388, such as USB-A or USB-C and LEDflashlight 390 and may be included on right wall 315. Barrel 380 extendsfrom left wall 314 for insertion into a vehicle 12V charge port.Contacts 382, 384 extend from barrel 380 to make an electricalconnection with the vehicle 12V port.

FIG. 4F shows a car charger, power component 300 includes front wall310, top wall 312, left wall 314, right wall 315, rear wall 318 (notshown) and bottom wall 316. Electrical connectors 330 on top wall 312(obscured) are used to link car charger, power component 300 to thebottom wall 18 of a wall charger 10 The charging device 10 includes afront face 12, a top wall 14, a right-side wall 16, a bottom wall 18,and a left side wall 20. Front face 12 includes an outlet plate thatincludes two outlets 22, each with a 120V AC “hot” receptacle 24, aneutral receptacle 26 and ground receptacle 28. The connections may bemagnetized for secure connection to a charging base or the housing mayinclude magnets for providing the connection. In the event that theconnector pins are magnetic it may be useful to have an electronicallyconducting coating on the pins rather than relying on the magneticmaterial as the conductor. The housing of the car charger, powercomponent 300 includes corresponding magnets so that the power device300 may be removably but securely connected to the charging device.Leads 52, 54 connect power adaptor 50 to receptacle 24, 26 and blades34, 36. Power adapter 50 is also connected to leads 54, 56, 58, 60 and62 to power the connections, 30, 31 on the bottom wall 18. Leads 64, 66power connections 30 on the top wall 14 and lead 68 powers connectionport 72, into which tip 70 may be inserted. Any other low voltageconnections formed in the front face, top wall, sidewalls or bottom wallmay be connected to power adapter 50. Power connections 330 in carcharger, power component 300 connect to power connections 30 in the wallcharger 10 to charge the cells within the car charger, power component300. car charger, power component 300 may include a permanent magnet inthe car charger, power component 300 or each connection 330 may bemagnetized to provide a sturdy, but easily removable connection. LEDflashlight 390 may be included on right wall 315 for emergency light.Barrel 380 extends from left wall 314 for insertion into a vehicle 12Vcharge port. Contacts 382, 384 extend from barrel 380 to make anelectrical connection with the vehicle 12V port.

FIG. 4G shows a car charger, power component 300 includes front wall310, top wall 312, left wall 314, right wall 315, rear wall 318 (notshown) and bottom wall 316 connected to a battery pack 200. An LEDflashlight 390 may be included on right wall 315 for emergency light.Barrel 380 extends from left wall 314 for insertion into a vehicle 12Vcharge port. Contacts 382, 384 extend from barrel 380 to make anelectrical connection with the vehicle 12V port. Electrical connectors330 on bottom wall 316 (obscured) are used to link car charger, powercomponent 300 to electrical connectors 230 (also obscured) on top wall212 of a battery block 200.

FIG. 5A shows a wearable device charger 400 suitable for use on with thecharging system of the present invention. For example, wearable devicecharger 400 may be mounted on any of the charge carrying devices of thepresent system. Wearable device charger 400 includes a battery storageso a device such as a wearable device may be without a power cord ofcharge base. Wearable device charger 400 includes front wall 410, topwall 412, left wall 414, right wall 415, rear wall 418 and bottom wall416. A retractable device support 380 extends from front wall 410. Thewearable device is placed on retractable support 380 to provide power tothe wearable device. Contacts 430 Charge monitor indicators 486 such asLED or LCDs.

FIG. 5B shows a schematic of a wearable device charger 400 useful withthe associated components of the present invention. Car charger, powercomponent 300 includes top wall 412, left wall 414, right wall 415, rearwall 418 (not shown) and bottom wall 416. A number of linked batterycells 460 are included within wearable device charger 400. Cells 460 maybe linked in series or parallel, or in a combination of serial andparallel to provide the desired output. Integrated circuit powermanagers 450 are designed for various cell combinations and may monitoreach cell individually and the output of the linked cells. Battery leads446 link the positive and negative terminals of the power pack andprovide power input to controller 450 and information to monitor thepower output and remaining charge in cells 460. Leads 442 provide powerto electrical connectors 430.

FIG. 5C shows a wearable device charger 400 useful with the associatedcomponents of the present invention. wearable device charger 400includes front wall 410, top wall 412 (not shown), left wall 414, rightwall 415, rear wall 418 and bottom wall 416. At least one connectorcable 420 may be included within wearable device charger 400. Electricalconnectors 430 may be used to link wearable device charger 400 to othercomponents in the modular charging system of the present invention. Asshown, cable 420 may include a central shaft 426 having a serialconnection 438, such as a USB-C connector on the proximal end and aseparate connector 422 at the distal end 432, such as a USB or Apple®Lightening connector. Cable 420 may also include a permanent magnet 234which is attracted to permanent magnet 236 (as shown in FIG. 3B) mountedwithin wearable device charger 400 to releasably retain distal end 432within recess 417. wearable device charger 400 is suitable for chargingelectronic components such as phones, tablets, readers and other lowvoltage devices via flexible cable 420. Separate cables may be used sothat car charger, power component 400 may charge devices havingdifferent power inputs. Wearable device charger 400 includes chargingsupport 480 mounted on a damped hinge 482 such that support 480 isdepressed briefly to unlock hinge 482 and allow support 480 to deploy.

FIG. 5D shows a wearable device charger 400 useful with the associatedcomponents of the present invention. wearable device charger 400includes front wall 410, top wall 412, left wall 414 (not shown), rightwall 415, rear wall 418 and bottom wall 416. Wearable device charger 400includes charging support 480 mounted on a damped hinge 482 such thatsupport 480 is depressed briefly to unlock hinge 482 and allow support480 to deploy.

FIG. 5E shows a wearable device charger 400 which includes front wall410, top wall 412, left wall 414, right wall 415, rear wall 318 (notshown) and bottom wall 416. Electrical connectors 430 on top wall 412(obscured) are used to link wearable device charger 400 to the bottomwall 18 of a wall charger 10 The charging device 10 includes a frontface 12, a top wall 14, a right-side wall 16, a bottom wall 18, and aleft side wall 20. Front face 12 includes an outlet plate that includestwo outlets 22, each with a 120V AC “hot” receptacle 24, a neutralreceptacle 26 and ground receptacle 28. The connections may bemagnetized for secure connection to a charging base or the housing mayinclude magnets for providing the connection. In the event that theconnector pins are magnetic it may be useful to have an electronicallyconducting coating on the pins rather than relying on the magneticmaterial as the conductor. The housing of wearable device charger 400includes corresponding magnets so that the device charger 400 may beremovably but securely connected to the charging device. Leads 52, 54connect power adaptor 50 to receptacle 24, 26 and blades 34, 36. Poweradapter 50 is also connected to leads 54, 56, 58, 60 and 62 to power theconnections, 30, 31 on the bottom wall 18. Leads 64, 66 powerconnections 30 on the top wall 14 and lead 68 powers connection port 72,into which tip 70 may be inserted. Any other low voltage connectionsformed in the front face, top wall, sidewalls or bottom wall may beconnected to power adapter 50. Power connections 330 in wearable devicecharger 400 connect to power connections 30 in the wall charger 10 tocharge the cells within the wearable device charger 400. Wearable devicecharger 400 may include a permanent magnet in the wearable devicecharger 400 or each connection 330 may be magnetized to provide asturdy, but easily removable connection.

FIG. 5F shows a wearable device charger 400 includes front wall 410, topwall 412, left wall 414, right wall 415, rear wall 418 (not shown) andbottom wall 416 connected to a battery pack 200. Electrical connectors430 on bottom wall 316 (obscured) are used to link wearable devicecharger 400 to electrical connectors 230 (also obscured) on top wall 212of a battery block 200.

FIG. 6A shows a connector tip 70 for use in the present invention.Charging tip 70 is installed to form a charging dock that allows anelectronic device to be placed atop charging device so that the deviceis charged in a convenient location without obstructing the outlets onoutlet plate. Connector tip 70 includes a generally barrel shaped body702 with side sections that include serrated sections 704 which mate toa congruent toothed section within receptacle 72 such that releasebutton 42 (shown in FIG. 1E) disengages the serrated section 704 fromthe toothed section in receptacle 72 to allow the tip to be replaced.Tip body 702 includes a bus connection 714 in the lower end andshoulders 716 for ease of insertion into receptacle 72. Shoulders 706may also be formed at the upper end of body 702. An Apple® Lighteningconnector is shown at the upper end of body 702. The Apple® Lighteningconnector includes an extension 708 and retention feature 712 andexternal contacts 710.

FIG. 6B shows a connector tip 70 for use in the present invention.Charging tip 70 is installed to form a charging dock that allows anelectronic device to be placed atop charging device so that the deviceis charged in a convenient location without obstructing the outlets onoutlet plate. Connector tip 70 includes a generally barrel shaped body702 with side sections that include serrated sections 704. Tip body 702includes a bus connection 714 (not shown) in the lower end and shoulders716 for ease of insertion into receptacle 72. Shoulders 706 may also beformed at the upper end of body 702. An Apple® Lightening connector isshown at the upper end of body 702. The Apple® Lightening connectorincludes an extension 708 and external contacts 710.

FIG. 6C shows a connector tip 70 for use in the present invention.Charging tip 70 is installed to form a charging dock that allows anelectronic device to be placed atop charging device so that the deviceis charged in a convenient location without obstructing the outlets onoutlet plate. Connector tip 70 includes a generally barrel shaped body702 with side sections that include serrated sections 704. Tip body 702includes a bus connection 714 (not shown) in the lower end and shoulders716 for ease of insertion into receptacle 72. Shoulders 706 may also beformed at the upper end of body 702. A USB-C connector is shown at theupper end of body 702.

FIG. 6A shows the base of a connector tip 70. Tip body 702 includes abus connection 714 in the lower end and shoulders 716 for ease ofinsertion into receptacle 72. A female USB-C connector 714 is shown witha recess 714′ surrounding the connection points.

FIG. 7A shows a schematic view of one layout for magnetic attractionbetween adjacent devices in which a first device 800 includes apermanent bar magnet 802, electrical contacts 830 and leads 860 tocontacts 830. A second device 808 includes a permanent bar magnet 810,electrical contacts 830 and leads 860 to contacts 830. The arrows showthe magnetic attraction between the bar magnets 802, 810, which connectsdevices 800, 808 in a secure yet easily releasable manner.

FIG. 7B shows a schematic view of one layout for magnetic attractionbetween adjacent devices in which a first device 820 includes magnetizedelectrical contacts 830 and leads 860 to contacts 830. A second device808 includes magnetized electrical contacts 830 and leads 860 tocontacts 830. The arrows show the magnetic attraction between themagnetic electrodes 830, which connects devices 820, 830 in a secure yeteasily releasable manner.

FIG. 7C shows a schematic view of one layout for magnetic attractionbetween adjacent devices in which a first device 840 includes permanentbar magnets 850 located proximate to electrical contacts 830 and leads860 to contacts 830. A second device 850 includes permanent bar magnets850 located proximate to electrical contacts 830 and leads 860 tocontacts 830. The arrows show the magnetic attraction between the barmagnets 850, which connects devices 800, 808 in a secure yet easilyreleasable manner.

The present invention allows a number of the devices to be chargessimultaneously and allows a number of the devices to be connected to asingle charge base

A pair of USB jacks, which may be received within the base charger unitand schematic electrical components that connect to electrical contactsin the base surface of the adapter. A portable battery unit may bemagnetically attached to the adapter for charging. Leads connect thejacks to a power adapter such as an iWatt iW1691-03 Adapter having an ACinput of 90-264 VAC and an output of 5V at 2.1 AMPs. Any other suitablepower adapter may be used. Leads connect power adaptor to the contactson the base of the adapter. A stackable power device may be magneticallyattached to the contacts. The jacks may be a standard USB, micro-USB,APPLE Lightening, USB-C, or any other auxiliary cable jack. The contactsmay be magnetized for secure connection to a charging base or thehousing may include a magnet for providing the connection. In the eventthat the connector pins are magnetic, it may be useful to have anelectronically conducting coating on the pins rather than relying on themagnetic material as the conductor. A charge indicator, such as LEDs orLCDs, may be included in the housing to indicate that a connection ismade with a charging base or the status of the charge in the stackablepower device.

The invention of this application has been described above bothgenerically and with regard to specific embodiments. Although theinvention has been set forth in what is believed to be the preferredembodiments, a wide variety of alternatives known to those of skill inthe art can be selected within the generic disclosure. The invention isnot otherwise limited, except for the recitation of the claims set forthbelow.

I claim:
 1. A modular system of charging devices configured to beconfigured to join separate charging devices, comprising: a firstcharging device having: an electrical charging port for connection for adigital device, a magnetic connector suitable for physically connectingthe first charging device to a second charging device, and a firstelectrical connection for electrically connecting the first chargingdevice to a second charging device, and a second charging device having:an electrical charging port for connection for a digital device, amagnetic connector suitable for physically connecting to the firstcharging device, and a second electrical connection for electricallyconnecting to the first electrical connection of the first chargingdevice.
 2. The charging device according to claim 1 wherein a chargingdevice further comprises: a front surface that is facing away from apower receptacle and a rear surface that is facing toward the powerreceptacle wherein one or more of the electrical sockets are located onthe front surface and one or more electrical plugs are extending fromthe rear surface.
 3. The charging device according to claim 1, furthercomprising: at least one charging port configured to receive a chargingcable.
 4. The charging device according to claim 3 further comprising aperipheral surface wherein at least one of the charging ports is formedon the peripheral surface.
 5. The charging device according to claim 1wherein at least one electrical charging port is configured to receivean adapter configured to engage a charging connector or charging cableof an electronic device to be charged.
 6. The charging device accordingto claim 1 wherein a portion of the peripheral surface faces generallyupward and has at least one of the changing ports is formed thereon. 7.The charging device according to claim 7 wherein the electroniccomponent being charged is supported on the generally upward facingportion.
 8. The charging device of claim 1, wherein the second chargingdevice includes a power manager.
 9. The charging device of claim 8,wherein the second charging device includes at least one wirelesscharging coil.
 10. The charging device of claim 1, wherein the secondcharging device includes: a power manager; a battery storage; a barrelextension from the device for insertion into a vehicle 12V charge port,and contacts extending from barrel to make an electrical connection witha vehicle 12V port.
 11. The charging device of claim 1, wherein thesecond charging device includes an extensible power cord suitable forelectrical connection to a power port of a digital device
 12. Thecharging device of claim 1, wherein the second charging devicecomprises: a body having: a cradle base; a back piece; a circuit boardthat converts the low voltage current input to an RF output.
 13. Thewireless electronic device charger, of claim 13, further comprising: apair of electrodes for receiving power from a pair of electrodes on abattery block.
 14. The charging device of claim 1, wherein the secondcharging device comprises: a stackable power storage device, comprising:a housing; a charge storage mechanism; a power controller connected tothe charge storage mechanism; at least one connector; charge connectionpins; and a removable connection for securing the power storage deviceto a charging device or to an additional power storage device.
 15. Thecharging device of claim 15, wherein the charge storage mechanism isselected from the group consisting of NiCad batteries, capacitors,rechargeable alkaline batteries, or any other electrical storage media.16. The stackable power storage device of claim 15, further comprising:power indicator lights in the housing.
 17. The stackable power storagedevice of claim 1, further comprising magnetic connection pins, that aremovable within the housing.
 18. The stackable power storage device ofclaim 1, further comprising magnets proximate at least one electricalconnection pins.
 19. The stackable power storage device of claim 1,further comprising at least one magnet located between connection pinswithin the housing.